Look for one with more complex carbohydrates, quality proteins, and good fats. Some have added
flax seed oil, CLA, sunflower oil. Also, it's more expensive but try to get one with a higher protein blend of whey isolate. Most are a mix of whey concentrate and soy. The isolate is way lower in cholesterol and digests easier. Much easier on your kidneys and does it's job repairing and rebuilding your muscles a lot better.